Spatial Scattering Radiation to the Radiological Technologist during Medical Mobile Radiography

Mobile radiography allows for the diagnostic imaging of patients who cannot move to the X-ray examination room. Therefore, mobile X-ray equipment is useful for patients who have difficulty with movement. However, staff are exposed to scattered radiation from the patient, and they can receive potenti...

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Bibliographic Details
Published in:	Bioengineering (Basel) Vol. 10; no. 2; p. 259
Main Authors:	Otomo, Kazuki, Inaba, Yohei, Abe, Keisuke, Onodera, Mana, Suzuki, Tomohiro, Sota, Masahiro, Haga, Yoshihiro, Suzuki, Masatoshi, Zuguchi, Masayuki, Chida, Koichi
Format:	Journal Article
Language:	English
Published:	Switzerland MDPI AG 16-02-2023 MDPI
Subjects:	Abdomen Bioengineering Coronaviruses COVID-19 disaster medicine Dosimetry Eye lens eye lens dose Intensive care Lenses Medical imaging mobile radiography Observations Occupational exposure Occupational health Pandemics Patients Radiation Radiation distribution Radiation dosage Radiation effects Radiation measurement Radiation protection radiation protection and safety Radiography radiological technologist Radiology scatter radiation Scattering (Physics) Standard deviation Technologists Japan medical radiation dose eye lens dose radiation dose limit occupational radiation exposure X-ray examination mobile radiography scatter radiation disaster medicine radiological technologist radiation protection and safety
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Summary:	Mobile radiography allows for the diagnostic imaging of patients who cannot move to the X-ray examination room. Therefore, mobile X-ray equipment is useful for patients who have difficulty with movement. However, staff are exposed to scattered radiation from the patient, and they can receive potentially harmful radiation doses during radiography. We estimated occupational exposure during mobile radiography using phantom measurements. Scattered radiation distribution during mobile radiography was investigated using a radiation survey meter. The efficacy of radiation-reducing methods for mobile radiography was also evaluated. The dose decreased as the distance from the X-ray center increased. When the distance was more than 150 cm, the dose decreased to less than 1 μSv. It is extremely important for radiological technologists (RTs) to maintain a sufficient distance from the patient to reduce radiation exposure. The spatial dose at eye-lens height increases when the bed height is high, and when the RT is short in stature and abdominal imaging is performed. Maintaining sufficient distance from the patient is also particularly effective in limiting radiation exposure of the eye lens. Our results suggest that the doses of radiation received by staff during mobile radiography are not significant when appropriate radiation protection is used. To reduce exposure, it is important to maintain a sufficient distance from the patient. Therefore, RTs should bear this is mind during mobile radiography.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	2306-5354 2306-5354
DOI:	10.3390/bioengineering10020259